SEEDS is an interuniversity research centre. It develops research and higher education projects in the fields of ecological and environmental economics, with a special focus on the role of policy and innovation. Main fields of action are environmental policy, economics of innovation, energy economics and policy, economic evaluation by stated preference techniques, waste management and policy, climate change and development.The SEEDS Working Paper Series are indexed in RePEc and Google Scholar. Papers can be downloaded free of charge from the following websites: http://www.sustainability-seeds.org/.